![]() ![]() It has two equal angles, that is, the base angles. A triangle that has two sides of the same measure and the third side with a different measure is known as an isosceles triangle. In geometry, the statement that the angles opposite the equal sides of an isosceles triangle are themselves equal is known as the pons asinorum ( Latin: põs asnor, English: / pnz æsnrm / PONZ ass-i-NOR-m ), typically translated as 'bridge of asses '. Sal proves that the base angles in isosceles triangles are congruent, and conversely, that triangles with congruent base angles are isosceles. The isosceles triangle theorem in math states that in an isosceles triangle, the angles opposite to the equal sides are also equal in measurement. Base angles: Area (A) × base (b) × height (h). Some pointers about isosceles triangles are: It has two equal sides. A triangle that has two sides of the same measure and the third side with a different measure is known as an isosceles triangle. ![]() \) resembles a bridge which in the Middle Ages became known as the "bridge of fools," This was supposedly because a fool could not hope to cross this bridge and would abandon geometry at this point. A triangle with two sides of equal length is an isosceles triangle. ![]()
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